TPA6133A2 Texas instruments

TPA6133A2

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TPA6133A2

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Описание

The TPA6133A2 is a stereo DirectPath™ headphone amplifier with GPIO control. The TPA6133A2 has minimal quiescent current consumption, with a typical IDD of 4.2 mA, making it optimal for portable applications. The GPIO control allows the device to be put in a low power shutdown mode. The TPA6133A2 is a high fidelity amplifier with an SNR of 93 dB. A PSRR greater than 100 dB enables direct-to-battery connections without compromising the listening experience. The output noise of 12 µVrms (typical A-weighted) provides a minimal noise background during periods of silence. Configurable differential inputs and high CMRR allow for maximum noise rejection in the noisy environment of a mobile device.

DirectPath™ Ground-Referenced Outputs
- Eliminates Output DC Blocking Capacitors
- Reduces Board Area
- Reduces Component Height and Cost
- Full Bass Response Without Attenuation
Power Supply Voltage Range: 2.5 V to 5.5 V
High Power Supply Rejection Ratio
(>100 dB PSRR)
Differential Inputs for Maximum Noise Rejection
(69 dB CMRR)
High-Impedance Outputs When Disabled
Advanced Pop and Click Suppression Circuitry
GPIO Control for Shutdown
20 Pin, 4 mm × 4 mm WQFN Package

Output power (W)	0.138
Analog supply (min) (V)	2.5
Analog supply (max) (V)	5.5
Load (min) (Ω)	16
PSRR (dB)	109
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Headphone channels	Stereo
Volume control	No
Shutdown current (ISD) (µA)	0.08
Architecture	Class-AB
Iq per channel (typ) (mA)	4.2